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iOS: didCompleteWithError, didReceive Response not triggered with URLSession.uploadTask


iOS: didCompleteWithError, didReceive Response not triggered with URLSession.uploadTask

By : Alisha Bano
Date : October 22 2020, 08:10 AM
To fix this issue Remove the open parameter from your class: https://stackoverflow.com/a/38950955
In short: (from the other post)
code :
An open class is accessible and subclassable outside of the defining module. An open class member is accessible and overridable outside of the defining module.
A public class is accessible but not subclassable outside of the defining module. A public class member is accessible but not overridable outside of the defining module.


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NSURLSessionTaskDelegate method URLSession:task:didCompleteWithError: never called

NSURLSessionTaskDelegate method URLSession:task:didCompleteWithError: never called


By : Don Pierre
Date : March 29 2020, 07:55 AM
I wish this helpful for you You will not see didCompleteWithError called if you implement willCacheResponse, but if the implementation fails to actually call the completionHandler. You must call the completionHandler.
The same is true with any and all of the various NSURLSession delegate methods that provide a completionHandler parameter (e.g. authentication challenges, redirects, etc.). If you implement these respective methods, you must ensure that the completionHandler is called.
Retrying a failed download in URLSession:task:didCompleteWithError

Retrying a failed download in URLSession:task:didCompleteWithError


By : Cagdas Yelen
Date : March 29 2020, 07:55 AM
Hope this helps How do I resume the download task after a delay? , If [new_task resume] works, then so will:
code :
[new_task performSelector:@selector(resume) withObject:nil afterDelay:10.0]
simple URLSession uploadTask with progress bar

simple URLSession uploadTask with progress bar


By : Chris Sigfrid
Date : March 29 2020, 07:55 AM
To fix the issue you can do You need to conform to the URLSessionTaskDelegate protocol and call this delegate method:
code :
func urlSession(_ session: URLSession, task: URLSessionTask, didSendBodyData bytesSent: Int64, totalBytesSent: Int64, totalBytesExpectedToSend: Int64)
{
    var uploadProgress:Float = Float(totalBytesSent) / Float(totalBytesExpectedToSend)
}
var session = URLSession(configuration: URLSessionConfiguration.default, delegate: self, delegateQueue: OperationQueue.main)
What's the difference between implementing func urlSession(_ session: URLSession, didReceive challenge: URLAuthenticatio

What's the difference between implementing func urlSession(_ session: URLSession, didReceive challenge: URLAuthenticatio


By : user3572927
Date : March 29 2020, 07:55 AM
wish helps you I think some useful information could be found from documentation Performing Manual Server Trust Authentication:
URLSession didCompleteWithError nil error

URLSession didCompleteWithError nil error


By : kopihao
Date : March 29 2020, 07:55 AM
wish of those help Apple doc said that didCompleteWithError report only client side error, otherwise is nil:
"Server errors are not reported through the error parameter. The only errors your delegate receives through the error parameter are client-side errors, such as being unable to resolve the hostname or connect to the host."
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